Meets the Pulse Waveform Template of CCITT I.430when recommended Transformer & Chip pair are used. ISDN S-Interface Transformers Excellent Longitudinal Balance Dual - Transmit / Receive 2000V & 4000V RMS min. Isolation Versions Surface Mount Package Electrical Specifications (3,4) at 25OC 2000VRMS 4000VRMS Isolation Isolation Transmit Receive SMD P/N SMD P/N Surface Mount Replacements for T-10500 / T-10550 families Ratio ( + 2%) OCL (1, 2) Pri. min. ( mH ) LL Sec. max. ( µH ) Cw/w max. ( pF ) CD pri max. ( pF ) DCR pri + 15% (Ω) DCR sec + 15% (Ω) T-13550 T-13500 T R 1:2 1:1 22 22 15 5 100 100 80 40 2.3 2.4 4.0 2.4 T-13551 T-13501 T R 1:1 1:1 22 22 5 5 100 100 40 40 2.4 2.4 2.4 2.4 T-13552 T-13502 T R 1:1.8 1:2.5 22 22 15 30 100 100 140 150 2.5 2.5 4.2 5.8 T-13553 T-13503 T R 1:2 1:2 22 22 15 15 100 100 80 80 2.3 2.3 4.0 4.0 T-13554 T-13504 T R 1:2.5 1:2.5 22 22 15 - 40 15 - 40 100 100 110 110 2.5 2.5 5.8 5.8 T-13555 T-13505 T R 1:2 1:2 22 22 11 11 100 100 180 180 2.5 2.5 5.0 5.0 T-13556 T-13506 T R 1:2.5 1:2.5 22 22 4 4 100 100 100 100 2.3 max. 2.3 max. 5.8 max. 5.8 max. (2400VRMS Isolation) 1) Primary is Line Side 2) OCL @10 KHz and 700 mV, except T-13506, T-13556 voltage is 500mV 3) Unbalanced current at TE: ∆ Idc = 1 mA max. 4) Longitudinal Conversion Loss: 10 kHz to 300 kHz is 60dB min. Schematic T-13500 thru T-13505 and T-13550 thru T-13555 Schematic T-13506 & T-13556 Package Dimensions in Inches (mm) Specifications subject to change without notice. Rhombus Industries Inc. For other values & Custom Designs, contact factory. 15 ISDNDULG - 4/99 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971